<div class="doc-item" id="doc-769"><h2 class="doc-item-name">descendants<span class="namespace">(clojure.core)</span></h2><ul class="var-arglists"><li>(<span class="var-name">descendants</span>  tag)</li><li>(<span class="var-name">descendants</span> h tag)</li></ul><div class="var-docstring"><p>Returns the immediate and indirect children of tag, through a
  relationship established via derive. h must be a hierarchy obtained
  from make-hierarchy, if not supplied defaults to the global
  hierarchy. Note: does not work on Java type inheritance
  relationships.</p></div><div class="var-source"><pre>; clojure/core.clj:3326
(defn descendants
  ([tag] (descendants global-hierarchy tag))
  ([h tag] (if (class? tag)
             (throw (java.lang.UnsupportedOperationException. &quot;Can't get descendants of classes&quot;))
             (not-empty (get (:descendants h) tag)))))</pre></div><div class="license"><p>Copyright (c) Rich Hickey. All rights reserved.</p><p>The use and distribution terms for this software are covered by the <a href="http://opensource.org/licenses/eclipse-1.0.php">Eclipse Public License 1.0</a>, which can be found in the file
          epl-v10.html at the root of this distribution. By using this software
          in any fashion, you are agreeing to be bound by the terms of this
          license. You must not remove this notice, or any other, from this
          software.</p></div></div>